About Mariana Minerals

Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.

About the Role

We are looking for an experienced and motivated Commercial Counsel to join our growing legal team, with a focus on M&A and commercial transactions. This is a hands-on, deal-focused role for a transactional attorney who thrives in an operational environment. You will report to the General Counsel and will work closely with the commercial team on Mariana’s acquisitions, joint ventures, strategic partnerships, and other transactions as we grow our portfolio of mining and processing assets.

Key Responsibilities

• Manage the legal execution of acquisitions, joint ventures, strategic partnerships, and other transactions, from term sheets and letters of intent through definitive agreements, signing, closing, and post-closing integration

• Oversee legal due diligence and translate findings into practical deal structures, risk allocation, and clear recommendations for leadership

• Draft and